/** @file list3806.cpp */
/** Listing 38-6. Calling generate_id to Demonstrate Static Variables */
#include <iostream>
#include <ostream>

int generate_id()
{
  static int counter(0);
  ++counter;
  return counter;
}

int main()
{
  for (int i = 0; i != 10; ++i)
    std::cout << generate_id() << '\n';
}